OT-2026-000030551
Publication integrity record
Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000030551) never changes.
Identity and time
| Publication number | OT-2026-000030551 · never reused |
|---|---|
| Internal UUID | 01a0ae73-e505-7264-a3fd-a62d9d703542 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:26.007257Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030551 |
| Status | PUBLIC |
Content hashes
| Canonical text | b445a20e02defc78b9e72ed0450f359c55b3a07b9e83207145c5fc1d43f79b97 |
|---|---|
| Markdown | 491723d0a5a2aeab66f256506a8e3ddd1d077fb30e53f05404c9a93c88d709b2 |
| Publication page | 8cd4da647188b431af3cac75875c4f701fe1a6657c20da84f7f2d9458476af3b |
| Manifest | 27315ed42747194c269ee74526a105625e162d8ab9e2d4d8cd70dc1a1805943d |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | vQ7002CHb9Jawq26MkzUcw4n6pNG296zVXSmvytudnCg4h5dtTyBu4/gDPpaak7a2HK3cBWm0QrBlAFTolbzCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
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Independent retrieval
| 2026-09-17T11:38:25.215109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030551observed 8cd4da647188b431af3cac75875c4f70...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:25.197351Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030551/manifest.jsonobserved 27315ed42747194c269ee74526a10562...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:25.180746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030551/publication.mdobserved 491723d0a5a2aeab66f256506a8e3ddd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:25.163076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030551/publication.txtobserved b445a20e02defc78b9e72ed0450f359c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|